Guy puts whole head in vagina
Well since it predates the Avatar by a millennia suppose the avatar owes some copyright infringement money to the jewish religion. Lol you have to read a symbol in it's context. Look at the swastika. Universally now stands for National socialists but it's original meaning was for the sun and the seasons. So the Avatar which derives his roots fro eastern mythos is only related by the fact they both represent all the elements. There are also many such symbols that resemble the four elements. The most common is the symbol. Four elements, four seasons all divided but one. The cross itself is simply a plus sign raised up to symbolize the promise of the after life. That and it's easier to see raised up.